a = 3
b = 4
c = 5
print(a, b, c)

d = 1.3
print(d*3)

s = 'str'
print(s)

ss = """欢迎来到python

这是一节课"""
print(ss)

s1 = '我是'
s2 = '初始化变量a，用于后续可能的运算或逻辑判断'

print(s1+s2)

print(s*2)

"""
布尔
"""
a = True
b = False
print(a, b)
print("""-------------------------------""")
print(2>1)
print(2<1)